LS1043ASN7KNLB

The LS1043ASN7KNLB is an NXP QorIQ Layerscape microprocessor featuring a quad-core, 64-bit ARM® Cortex®-A53 CPU operating at 1.0 GHz. It is designed for embedded networking and industrial infrastructure applications where multi-core performance, flexible I/O and hardware offload are required.

Built for small-form-factor networking and edge equipment, the device combines multicore processing, integrated networking engines and a compact 621 FCPBGA package to enable efficient, BOM-optimized designs for edge routers, gateways and control appliances.

Key Features

• Core Quad ARM® Cortex®-A53 cores, 64-bit, 1.0 GHz operation; includes a large L2 cache for multi-threaded workload handling.
• Memory Integrated controllers for DDR3L and DDR4 memory technologies to support modern embedded DRAM configurations.
• Networking Interfaces Flexible Ethernet support including multiple 1 GbE ports or configurations with a 10 GbE port; integrated Frame Manager provides hardware packet parsing, classification and IEEE 1588 support.
• Storage & USB Single SATA 6 Gbps (SATA 3.0) port and up to three USB 3.0 ports with PHY for high-speed peripheral and storage connectivity.
• I/O & Expansion Multi-protocol SerDes and three DMA-controlled PCIe Gen2 ports provide flexible high-speed expansion and interface options.
• Security & Offload Secure Boot and ARM TrustZone® support plus an integrated security engine (SEC 5.4) and Data Path Acceleration Architecture (DPAA) for hardware offload including in-line IPsec processing.
• System & Virtualization CoreLink CCI-400 coherent interconnect and SMMU for hardware-enforced memory access control for accelerators and virtualized environments.
• Package & Environmental 621-FCPBGA (21×21) surface-mount package; consumer qualification and RoHS compliant. Operating temperature range: 0 °C to 105 °C.

Typical Applications

• Branch Office Routers: Quad-core processing, integrated Ethernet and hardware packet handling enable compact, high-throughput router platforms.
• vCPE and Edge Equipment: Multicore CPU, DPAA offload and virtualization support suit virtualized customer-premises equipment and edge appliances.
• IoT & Multi-Protocol Gateways: Flexible I/O, SerDes and QUICC Engine technology support protocol bridging and multi-protocol gateway designs.
• Industrial PLC and Control: Deterministic networking features, integrated security and rugged operating range make it suitable for industrial control applications.
• Security Appliances: Integrated SEC engine and hardware packet processing enable inline cryptographic processing and reduced CPU load for security appliances.

Unique Advantages

• Highly integrated communications processor: Combines multicore ARM processing with Ethernet, PCIe, SATA and USB to reduce BOM and board complexity.
• Hardware packet and security offload: DPAA and SEC 5.4 reduce CPU overhead for networking and IPsec workloads, improving throughput for edge applications.
• Flexible I/O and expansion: Multi-protocol SerDes, three PCIe Gen2 ports and multiple Ethernet configurations enable wide design flexibility.
• Virtualization-ready system interfaces: CoreLink CCI-400 and SMMU provide coherent interconnect and hardware memory access controls for accelerator and VM use.
• Compact, surface-mount package: 621-FCPBGA (21×21) supports small-form-factor, fanless designs and BOM-optimized board layouts.
• Regulated operating range and compliance: Consumer qualification, RoHS compliance and 0 °C to 105 °C operating range support a variety of embedded deployments.

Why Choose LS1043ASN7KNLB?

The LS1043ASN7KNLB positions itself as a balanced solution for edge and embedded networking designs that require multicore 64-bit processing combined with proven networking and security offload capabilities. Its combination of ARM® Cortex®-A53 cores, DPAA/SEC accelerators and flexible high-speed I/O makes it suitable for compact routers, vCPE, gateways and industrial control applications.

Design teams benefit from a compact 621-FCPBGA package, integrated memory controllers and broad interface options, enabling scalable, BOM-optimized platforms that leverage the QorIQ Layerscape architecture and established data-path technologies.

Request a quote or contact sales to discuss availability, lead times and volume pricing for the LS1043ASN7KNLB microprocessor. Technical documentation and datasheet references are available to support design integration and evaluation.